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## Comment on

x in terms of y## An alternative approach, is

Hence,

X+22+(180-Y)=180

X+22-Y=0

X=Y-22

## Perfect - nice work!

Perfect - nice work!

## Can we apply the exterior

Exterior angle equals to the sum of 2 opposite angles. Here y = x +22

Therefore x = y-22

## Perfect!

Perfect!

## y = x+22, so x = y-22, must

## Agreed.

Agreed.